<template>
  <div class="login_container">
    <!--头像区域-->
    <div class="login_box">
      <div class="avatar_box">
        <img src="../assets/logo.png">
      </div>
      <!--表单区域-->
      <el-form ref="loginFormRef" :model="loginForm" :rules="loginFormRules"  class="login_form">
        <!--用户名-->
        <el-form-item prop="username">
          <el-input v-model="loginForm.username"  prefix-icon="iconfont icon-user"></el-input>
        </el-form-item>
        <!--密码-->
        <el-form-item  prop="password">
          <el-input v-model="loginForm.password" type="password"  prefix-icon="iconfont icon-3702mima"></el-input>
        </el-form-item>
        <el-form-item class="btns">
          <el-button type="primary" @click="vaildateLoginForm">登录</el-button>
          <el-button type="info" @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>

  </div>
</template>

<script>
export default {
  data () {
    return {
      // 这是登录表单的数据绑定对象
      loginForm: {
        username: 'admin',
        password: '123456'
      },
      // 这是表单的验证规则对象
      loginFormRules: {
        username: [
          { required: true, message: '请输入登录名称', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入登录密码', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    resetLoginForm () {
      this.$refs.loginFormRef.resetFields()
    },
    vaildateLoginForm () {
      this.$refs.loginFormRef.validate(async res => {
        if (!res) { return } ;
        const { data: result } = await this.$https.post('login', this.loginForm)
        if (result.meta.status !== 200) { return this.$message.error('登录失败') };
        this.$message.success('登陆成功')
        window.sessionStorage.setItem('token', result.data.token)
        this.$router.push('/home')
      })
    }
  }
}
</script>

<style lang="less" scoped>
  .login_container {
    background-color: #2b4b6b;
    height: 100%;
  }
  .login_box{
    width: 450px;
    height: 300px;
    background-color: #fff;
    border-radius: 10px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);

    .avatar_box{
      height: 130px;
      width: 130px;
      border: 1px solid #eee;
      border-radius: 50%;
      padding: 10px;
      box-show:0 0 10px #ddd;
      position: absolute;
      left: 50%;
      transform: translate(-50%,-50%);
      background-color: #fff;
      img{
        width: 100%;
        height: 100%;
        border-radius: 50%;
        background-color: #eee;
      }
    }
    .login_form{
      position: absolute;
      bottom: 0;
      width: 100%;
      padding: 20px;
      box-sizing: border-box;
    }
    .btns{
      display: flex;
      justify-content: flex-end;
    }
  }
</style>
